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Finding the Fourth Proportional to 161.36, 242.49 and 96.37

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Solution

The fourth proportional to 161.36, 242.49 and 96.37 is: 144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.36 : 242.49 = 96.37 : x
  2. Step 2: Convert to fraction form
    161.36/242.49 = 96.37/x
  3. Step 3: Cross multiply
    161.36x = 242.49 × 96.37
  4. Step 4: Simplify right side
    161.36x = 23,369.00
  5. Step 5: Solve for x
    x = 23,369.00/161.36
  6. Step 6: Final answer
    x = 144.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.